org.apache.flink.streaming.runtime.partitioner

Class ShufflePartitioner<T>

java.lang.Object

org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

org.apache.flink.streaming.runtime.partitioner.ShufflePartitioner<T>

Type Parameters:

T - Type of the Tuple

All Implemented Interfaces:

Serializable, org.apache.flink.runtime.io.network.api.writer.ChannelSelector<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>>>

@Internal
public class ShufflePartitioner<T>
extends StreamPartitioner<T>

Partitioner that distributes the data equally by selecting one output channel randomly.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ShufflePartitioner()

Method Summary

Modifier and Type	Method and Description
StreamPartitioner<T>	copy()
int[]	selectChannels(org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>> record, int numberOfOutputChannels)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ShufflePartitioner

public ShufflePartitioner()

Method Detail

selectChannels

public int[] selectChannels(org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>> record,
                            int numberOfOutputChannels)

copy

public StreamPartitioner<T> copy()

Specified by:

copy in class StreamPartitioner<T>

toString

public String toString()

Overrides:

toString in class Object